19313945

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8334055

約数列:

[1, 5, 7, 35, 47, 59, 199, 235, 295, 329, 413, 995, 1393, 1645, 2065, 2773, 6965, 9353, 11741, 13865, 19411, 46765, 58705, 65471, 82187, 97055, 327355, 410935, 551827, 2759135, 3862789, 19313945]

約数ペア:

[(1, 19313945), (5, 3862789), (7, 2759135), (35, 551827), (47, 410935), (59, 327355), (199, 97055), (235, 82187), (295, 65471), (329, 58705), (413, 46765), (995, 19411), (1393, 13865), (1645, 11741), (2065, 9353), (2773, 6965)]